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1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

Where’s the engine codes on the block?

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Old Jul 1, 2021 | 02:06 PM
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Where’s the engine codes on the block?

83 351w, just wondering where the engine codes are that are stamped on the block?
 
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Old Jul 1, 2021 | 02:33 PM
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Are you thinking bow tie were they stamped the number to match the VIN and where "numbers matching" came from.
I dont think Ford or any of the other big 4 did that back in the day.
Only thing you will find is a casting mark as all blocks had this so they knew when they were cast as they would be set outside to "weather" for a bit before machining.
I think this casting mark is in the intake valley area so need to pull the intake to see it.
Then again I could be wrong
Why do you want to know?
Dave ----

ps yes there were 4 big auto manf. back in the day.
Ford
GM
MOPAR
AMC
 
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Old Jul 1, 2021 | 02:37 PM
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Right side rear behind the starter.
 
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Old Jul 1, 2021 | 04:05 PM
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Originally Posted by diggerrigger
Right side rear behind the starter.
Is that the casting mark or the stamping like the VIN?
I did not even look for anything like either on my 300 six as I did not care
Dave ----
 
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Old Jul 1, 2021 | 04:44 PM
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Figured he was asking for this code. This is a 302 E6SE code used for '86. A 351 would have its own code. This block is sitting on its nose in my garage. Codes Here

 
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Old Jul 1, 2021 | 06:09 PM
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OK that is a casting mark and the only thing we can go by for "numbers matching" is the year / month cast.
Dave ----
 
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Old Jul 2, 2021 | 04:08 AM
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Originally Posted by FuzzFace2
Are you thinking bow tie were they stamped the number to match the VIN and where "numbers matching" came from.
I dont think Ford or any of the other big 4 did that back in the day.
Dave, Ford did do it sometimes...but there doesn't seem to any consistency to it. When I cleaned up the 302 in my 1984, I found the last 8 digits of the VIN stamped in the back of the block (flat surface behind the intake manifold). See pics below. I'm not the only one that has found this...the topic does come up once in a while as guys with other trucks and cars have found this same stamping with the VIN. I also had a 1985 F150 with a 302, and it did not have this stamping. However, if you read on here and other forums you will find that other people have found the VIN stamped here from time to time.




 
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Old Jul 2, 2021 | 06:23 AM
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Thanks for the info
I guess because it was not done on all engines I never heard of it
Thanks again
Dave. ----
 
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